<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <title>book</title>
  <link rel="icon" href="static/logo.png">
</head>

<body>
  <div id="app"></div>
  <!-- built files will be auto injected -->
</body>
<script>
  //不需要mui.js版本
  document.addEventListener('plusready', function () {
    var webview = plus.webview.currentWebview();
    plus.key.addEventListener('backbutton', function () {
      webview.canBack(function (e) {
        if (e.canBack) {
          webview.back();
        } else {
          //webview.close(); //hide,quit
          //plus.runtime.quit();
          //首页返回键处理
          //处理逻辑：1秒内，连续两次按返回键，则退出应用；
          var first = null;
          plus.key.addEventListener('backbutton', function () {
            //首次按键，提示‘再按一次退出应用’
            if (!first) {
              first = new Date().getTime();
              console.log('再按一次退出应用');
              setTimeout(function () {
                first = null;
              }, 1000);
            } else {
              if (new Date().getTime() - first < 1500) {
                plus.runtime.quit();
              }
            }
          }, false);
        }
      })
    });
  });
</script>

</html>